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2090144 = 25723143
BaseRepresentation
bin111111110010010100000
310221012010202
413332102200
51013341034
6112444332
723523500
oct7762240
93835122
102090144
1111a83a1
128496a8
13582494
143c5a00
152b447e
hex1fe4a0

2090144 has 72 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 846720.

The previous prime is 2090131. The next prime is 2090147. The reversal of 2090144 is 4410902.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2090147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48587 + ... + 48629.

It is an arithmetic number, because the mean of its divisors is an integer number (70224).

22090144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528064).

2090144 is an abundant number, since it is smaller than the sum of its proper divisors (2965984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2090144 is a wasteful number, since it uses less digits than its factorization.

2090144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2090144 is about 1445.7330320637. The cubic root of 2090144 is about 127.8572627629.

The spelling of 2090144 in words is "two million, ninety thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 31 32 43 49 56 62 86 98 112 124 172 196 217 224 248 301 344 392 434 496 602 688 784 868 992 1204 1333 1376 1519 1568 1736 2107 2408 2666 3038 3472 4214 4816 5332 6076 6944 8428 9331 9632 10664 12152 16856 18662 21328 24304 33712 37324 42656 48608 65317 67424 74648 130634 149296 261268 298592 522536 1045072 2090144